Can we make readahead more robust to package updates?

[Karel Zak]

On Mon, Nov 13, 2006 at 11:07:41AM +0100, Arjan van de Ven wrote:
> On Mon, 2006-11-13 at 10:48 +0100, Ralf Ertzinger wrote:
> > Hi.
> > 
> > On Mon, 13 Nov 2006 09:06:20 +0100, Arjan van de Ven wrote:
> > 
> > > the downside is that you now add extra costs (seeks :) which.. well
> > > readahead was trying to avoid. So if this is going to get used
> > > massively it's less certain things will gain as much as before...
> > 
> > Maybe run a script on system shutdown which reads all the files under
> > /etc/readahead.d and creates a single config file for readahead to
> > read on the next boot?
> 
> I really like this idea; it's a simple "cat" and it can be done at a
> time where latency doesn't matter... (even in cron.daily)
> 
> Oh... this opens more options. This also allows the "sort by
> blocknumber" to be done at this point and taken out of the critical
> latency part......

 Good idea. Added to "TODO" list:

 http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=156442

    Karel

-- 
 Karel Zak  <kzak at redhat.com>